Long before dinosaurs became dominant, the Triassic world was ruled by archosaurs whose true behavior is still debated by ...

The mystery behind the origins of the dinosaurs may have been given a new twist, with a modeling study suggesting they may have evolved in what is today equatorial Africa and South America. This would ...

A fossil site of "unique importance" has shed light on a lost prehistoric ecosystem where early dinosaurs roamed more than 200 million years ago. For a study published in the Proceedings of the ...

In Paraíso do Sul in southern Brazil, scientists discovered a fossil of a dog-sized reptile dating back to 237 million years ago. The creature, a newly described species named Gondwanax paraisensis, ...

Paleontologists have made a groundbreaking discovery in the remote Andes of Argentina, unearthing one of the world’s oldest dinosaurs. This small, long-necked dinosaur, whose nearly complete skeleton ...

In an international collaboration, researchers at Uppsala University have been able to identify undigested food remains, plants and prey in the fossilized feces of dinosaurs. These analyses of ...

Fossils found on the shoreline of Lake Kariba in Zimbabwe represent a completely new dinosaur species. This remarkable find, named Musankwa sanyatiensis, marks only the fourth dinosaur species named ...

WASHINGTON (Reuters) - Dinosaurs long dominated Earth's land ecosystems with a multitude of forms including plant-eating giants like Argentinosaurus, meat-eating brutes like Tyrannosaurus and weirdos ...

Artist's impression of Diamantinasaurus matildae, a long-necked sauropod dinosaur. (Travis Tischler via Courthouse News) (CN) — High in the Andes mountains of northwestern Argentina, at an elevation ...

A duo of sauropodomorphs; one munching on the newly evolved plants in a wet Early Jurassic environment whilst the other is looking up as if there was something hiding in the vegetation. Illustration: ...